A number can be undetermined.Logical formLearned from3 314 sentences. An amount can be undetermined.Logical formLearned from1 035 sentences. A period can be undetermined.Logical formLearned from436 sentences. A date can be undetermined.Logical formLearned from430 sentences. A length can be undetermined.Logical formLearned from247 sentences. A time can be undetermined.Logical formLearned from242 sentences. An origin can be undetermined.Logical formLearned from152 sentences. Significance can be undetermined.Logical formLearned from137 sentences. A location can be undetermined.Logical formLearned from125 sentences. Causes can be undetermined.Logical formLearned from116 sentences. A point can be undetermined.Logical formLearned from91 sentences. Reasons can be undetermined.Logical formLearned from84 sentences. A cost can be undetermined.Logical formLearned from83 sentences. A name can be undetermined.Logical formLearned from78 sentences. Consequences can be undetermined.Logical formLearned from77 sentences.